An inspection method for welding, forgings etc. based on the ability of certain types of liquids to enter voids and crevices by capillary action and to remain there when the surface liquid is removed.

A type of wear that occurs between tight-fitting surfaces subjected to cyclic relative motion of extremely small amplitude. Usually, fretting is accompanied by corrosion, especially of the very fine wear debris.

Setting rate within a conference tariff that is different from the rate(s) for the same items established by other conference members.

A direction of forty-five degrees or less from the stern.

Dioctylphalate aerosol (Efficiency Test Material).

A twisting deformation of a solid body about an axis in which lines that were initially parallel to the axis become helices.

Piston

Said of the anchor when just clear of the bottom (leaving or moving).

Required by some countries for protection against the dumping of certain types of merchandise or products.

An obsolete term describing oil or grease coatings used to provide temporary protection against atmospheric corrosion.

The extension of an air actuator beyond its design height.

Average speed of recovery two shots of chain cable when three shots are submerged and freely suspended at commencement lifting (m/s)

Maritime Regulatory Reform.

Cargo ship of 14.800 tonnes deadweight.

A water heater that uses electricity to move heat from one place to another instead of generating heat directly.

A unit of air cooling capacity; 12,000 Btu per hour.

Instrument which measures and records the amount of evaporation over time.

Scottish Vocational Qualification

Traditionally a ship's bell is made of brass and has her name engraved on it. It is used for striking the bells which mark the passage of time (see Bells) and is also used as a fog signal as an audible warning of a ship's position.

A vessel which, according to the applicable Navigation Rule, has right-of-way. Also known as the "stand on" vessel.